As we know it is possible to detect field orders with ffmpeg:
ffmpeg -i <INPUT_FILE> -vf idet -f rawvideo -y NUL
Example Output:
[Parsed_idet_0 @ 003ea220] Single frame detection: TFF:0 BFF:153
Progressive:0 Undetermined:0
[Parsed_idet_0 @ 003ea220] Multi frame detection: TFF:0 BFF:153
Progressive:0 Undetermined:0
Is it possible to MARK the framenumbers to its detected field orders?
Via framenumber or timestamp?
Or to search a "known" TFF content for BFF frames? To force the output
to lines like:
Found BFF frames at position X
(https://ffmpeg.org/pipermail/ffmpeg-user/2014-October/023995.html)
Best Regards
Christoph
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